rocq-community /hydra-battlesCoq8114Variations on Kirby & Paris' hydra battles and other entertaining math in Coq (collaborative, documented, includes exercises) [maintainer=@Casteran]coqhydra-battlesordinal-notationsformal-proofs
rocq-community /comp-dec-modalCoq123Completeness and Decidability of Modal Logic Calculi [maintainer=@chdoc]coqmathcompmodal-logicsctl